WO2019033744A1 - 装夹治具 - Google Patents

装夹治具 Download PDF

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Publication number
WO2019033744A1
WO2019033744A1 PCT/CN2018/077836 CN2018077836W WO2019033744A1 WO 2019033744 A1 WO2019033744 A1 WO 2019033744A1 CN 2018077836 W CN2018077836 W CN 2018077836W WO 2019033744 A1 WO2019033744 A1 WO 2019033744A1
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WO
WIPO (PCT)
Prior art keywords
plate
movable plate
hole
self
piston rod
Prior art date
Application number
PCT/CN2018/077836
Other languages
English (en)
French (fr)
Inventor
徐金根
向雪梅
陶勋辉
田兵华
Original Assignee
昆山科森科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 昆山科森科技股份有限公司 filed Critical 昆山科森科技股份有限公司
Priority to KR2020207000007U priority Critical patent/KR200493680Y1/ko
Publication of WO2019033744A1 publication Critical patent/WO2019033744A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated

Definitions

  • the present disclosure relates to the field of high precision machining, for example to a clamping fixture.
  • Smartphone parts are inseparable from machine tools.
  • Machine tool fixtures are one of the important process equipments to ensure the quality of machine tools, improve production efficiency, and reduce labor intensity.
  • problems in how to position the workpiece stably and effectively in the process of machining there are many problems in how to position the workpiece stably and effectively in the process of machining.
  • CNC fixtures use simple fixtures and positioning pins for positioning operations.
  • the workers are loaded and unloaded, which causes the workpiece to be unstable, the compression is too tight or too loose, and Labor intensity, inconvenient operation and other issues.
  • the present disclosure provides a clamping fixture capable of elastically pressing a material to be processed, avoiding crushing of materials to be processed, and ensuring product quality.
  • the present disclosure provides a clamping fixture comprising: a left support, a right support, a fixed plate, a positioning plate, a plurality of chucks and a plurality of pressure mechanisms, the two ends of the fixed plate and the left support respectively
  • the positioning plate is fixedly connected to the fixing plate, and the plurality of pressing mechanisms are symmetrically mounted on both sides of the fixing plate, and the plurality of clamping heads are respectively mounted on the a first end of a piston rod of a plurality of pressure mechanisms;
  • a plurality of uniformly arranged through-holes are symmetrically formed on both sides of the surface of the fixing plate, and the positioning protrusions of the positioning plate and the chuck are located in the yielding through-holes, wherein the positioning protrusions are located a side of the fixing plate opposite to the center of the fixing plate, the clamping head is located at a side away from the center, and both sides of the fixing plate are provided with a stepped hole penetrating the passing through hole, and the pressure mechanism is close to
  • the surface of the fixing plate is evenly disposed with a blind hole corresponding to the stepped hole, and the first end of the piston rod passes through the stepped hole and is fixedly connected with the collet located in the retaining through hole.
  • a second end of the piston rod is embedded in the blind hole
  • the piston rod includes a flange portion
  • an elastic member is disposed on the piston rod and located at a stepped surface of the flange portion and the stepped hole
  • An oil seal is disposed on the piston rod between the flange portion and the transfer surface of the blind hole, and a hydraulic oil hole is disposed on a surface of the pressure mechanism, the hydraulic oil hole and the hydraulic oil hole The blind hole is penetrated, and the hydraulic oil hole is arranged to pass through a hydraulic oil pipe and oil Pump connection
  • a movable plate is disposed under the fixing plate, the movable plate is provided with at least two mounting through holes, at least two guiding columns respectively pass through the mounting through holes of the movable plate and the first ends of the at least two guiding columns are
  • the fixing plate is connected, and the second ends of the at least two guiding columns are respectively connected to the left substrate of the left support and the right substrate of the right support;
  • One side surface of the movable plate is provided with a self-locking cylinder, and the self-locking cylinder is mounted on one side surface of the movable plate through a connecting block and located outside the guiding column, and a part of the connecting block is connected with the movable plate
  • the side surface is fixedly connected
  • the self-locking cylinder is fixedly mounted on an outer side surface of the connecting block
  • the piston rod of the self-locking cylinder passes through the connecting block under the movable plate and contacts the outer surface of the guiding post connection.
  • the number of the self-locking cylinders is two, respectively located at two ends of the same side surface of the movable plate.
  • the self-locking cylinder is fixedly mounted to the outer surface of the connecting block by a plurality of screws.
  • the outer side surface of the oil seal is connected to the inner side surface of the blind hole without a gap fit.
  • the inner side surface of the collet is a curved surface.
  • the spring element spring comprises a spring
  • the blind hole comprises a T-shaped blind hole.
  • the clamping fixture provided by the present disclosure acts hydraulically on the piston rod.
  • the hydraulic pressure can provide greater pressure than the pneumatic and electric motors, and the pressure is stable and uniform.
  • the piston rod is provided by providing elastic elements on the piston rod.
  • the pressure of the first end chuck has a certain toughness, which can realize the elastic pressing of the material to be processed, avoid crushing the material to be processed, ensure the quality of the product, and ensure the sealing of the hydraulic pressure mechanism by setting the oil seal, so that the hydraulic oil It is completely sealed between the hydraulic oil hole and the oil seal, thus ensuring the pressure and stability of the hydraulic oil to the piston rod.
  • the different clamping heads are replaced, so that the clamping fixture in the embodiment of the present application has versatility, and the upper end of the material to be processed is clamped by the clamping head and the positioning protrusion by setting the movable plate, and the lower end of the material to be processed is active.
  • the plate is in contact and can be moved up by the movable plate to realize the automatic feeding of the material to be processed, reducing the manual use and improving the production efficiency.
  • By providing the latching cylinder can be pressed against the guide post, to achieve the effect of preventing the falling of the movable plate, a simple and strong structure and good operability and effects, thus ensuring stability during processing of the material to be processed, ensure precision.
  • FIG. 1 is a schematic structural view of a clamping fixture for processing an ultra-thin mobile phone vibration motor in an embodiment.
  • FIG. 2 is a partially exploded perspective view of the clamping fixture in an embodiment.
  • FIG. 3 is an exploded perspective view of a clamping fixture for processing an ultra-thin mobile phone vibration motor in an embodiment.
  • FIG. 4 is a partial structural view of a clamping fixture in an embodiment.
  • Figure 5 is a schematic view showing the structure of a blind hole in an embodiment.
  • Embodiment 1 A clamping fixture (which can be used for processing of an ultra-thin mobile phone vibration motor), including a left support 1, a right support 2, a fixed plate 3, a positioning plate 4, a plurality of collets 5, and a plurality of
  • the pressure mechanism 6 has two ends of the fixing plate 3 fixedly connected to the left support 1 and the right support 2, and the positioning plate 4 is fixedly connected to the fixed plate 3.
  • the plurality of pressure mechanisms 6 are symmetrically mounted on the fixed plate 3 respectively.
  • a side surface, the plurality of collets 5 are respectively mounted on the first ends of the piston rods 7 of the plurality of pressure mechanisms 6;
  • a plurality of evenly arranged relief through holes 16 are symmetrically formed on both sides of the upper surface of the fixing plate 3.
  • the positioning protrusions 18 and the clamping heads 5 of the positioning plate 4 are located in the receiving through holes 16, wherein the positioning protrusions 18 are located near the fixing plate.
  • a blind hole 22 (for example, a T-shaped blind hole) corresponding to the stepped hole 21 is provided, and the first end of the piston rod 7 passes through the stepped hole 21 and is fixedly connected with the chuck 5 located in the retaining through hole 16, the piston rod 7
  • the second end is embedded in the blind hole 22 of the pressure mechanism 6, the piston rod 7 includes a flange portion 701, and an elastic member 24 (for example, a spring) is fitted on the piston rod 7 and located at the step of the flange portion 701 and the stepped hole 21.
  • An oil seal 25 is disposed on the piston rod 7 between the flange portion 701 and the transition surface 221 of the blind hole 22, and a hydraulic oil hole 26 is disposed on the surface of the pressure mechanism 6 .
  • the hydraulic oil hole 26 is provided. Separating from the blind hole 22 respectively, the hydraulic oil hole 26 is disposed to be connected to the oil pump through a hydraulic oil pipe 27;
  • a movable plate 31 is disposed under the fixing plate 3, and the movable plate 31 is provided with at least two mounting through holes 32.
  • the at least two guiding columns 33 respectively pass through the mounting through holes 32 of the movable plate 31 and the at least two guiding posts 33
  • the first end is connected to the fixing plate 3, and the second ends of the at least two guiding columns 33 are respectively connected to the left substrate 102 of the left support 1 and the right substrate 202 of the right support 2;
  • a self-locking cylinder 41 is disposed on one surface of the movable plate 31.
  • the self-locking cylinder 41 is mounted on one side surface of the movable plate 31 through the connecting block 42 and located outside the guide post 33.
  • a part of the connecting block 42 is fixedly connected to the surface of the movable plate 31.
  • the self-locking cylinder 41 is fixedly mounted on the outer surface of the connecting block 42.
  • the piston rod of the self-locking cylinder 41 passes through the connecting block 42 under the movable plate 31 and is in contact with the outer surface of the guide post 33.
  • the number of the self-locking cylinders 41 may be two and located at two ends of the same side surface of the movable panel 31.
  • the self-locking cylinder 41 may be fixedly mounted on the outer surface of the connecting block 42 by a plurality of screws.
  • Embodiment 2 A clamping fixture (which can be used for processing of an ultra-thin mobile phone vibration motor), including a left support 1, a right support 2, a fixed plate 3, a positioning plate 4, a plurality of chucks 5, and a plurality of
  • the pressure mechanism 6 has two ends of the fixing plate 3 fixedly connected to the left support 1 and the right support 2, the positioning plate 4 is fixedly connected to the fixed plate 3, and the plurality of pressure mechanisms 6 are respectively symmetrically mounted and fixed.
  • the two sides of the plate 3, the plurality of collets 5 are respectively mounted on the first end of the piston rod 7 of the plurality of pressure mechanisms 6;
  • a plurality of uniformly arranged through-holes 16 are symmetrically formed on both sides of the upper surface of the fixing plate 3, and the positioning protrusions 18 and the clamping heads 5 of the positioning plate 4 are located in the receiving through-holes 16, wherein the positioning protrusions 18 are located.
  • the chuck 5 is located on a side away from the center, and both sides of the fixing plate 3 are provided with a stepped hole 21 penetrating through the through hole 16 , and the pressure mechanism 6 is close to
  • the surface of the fixing plate (3) is uniformly provided with a blind hole 22 corresponding to the stepped hole 21 (for example, a T-shaped blind hole), and the first end of the piston rod 7 passes through the stepped hole 21 and is located at the position of the hole
  • the collet 5 in the hole 16 is fixedly connected, and the second end of the piston rod 7 is embedded in the blind hole 22 of the pressure mechanism 6, the piston rod 7 includes a flange portion 701, and an elastic member 24 (for example, a spring) is fitted to the piston.
  • the rod 7 is located between the flange portion 701 and the stepped surface 211 of the stepped hole 21, and an oil seal 25 is fitted on the piston rod 7 between the flange portion 701 and the transition surface 221 of the blind hole 22, and the pressure mechanism 6
  • One side surface is provided with a hydraulic oil hole 26, which is respectively penetrated with the blind hole 22, and the hydraulic oil hole 26 passes through a hydraulic oil pipe 27 and an oil pump. connection;
  • a movable plate 31 is disposed under the fixed plate 3, and the movable plate 31 has at least two mounting through holes 32.
  • the at least two guiding posts 33 respectively pass through the mounting through holes 32 of the movable plate 31 and the upper ends are connected to the fixed plate 3.
  • the lower end is respectively connected to the left substrate 102 of the left support 1 and the right substrate 202 of the right support 2;
  • a self-locking cylinder 41 is disposed on one surface of the movable plate 31.
  • the self-locking cylinder 41 is mounted on one side surface of the movable plate 31 through the connecting block 42 and is located outside the guide post 33 (for example, is mounted on the side surface of the movable plate 31 by bolts 43)
  • the upper portion of the connecting block 42 is fixedly connected to the surface of one side of the movable plate 31, and the self-locking cylinder 41 is fixedly mounted on the outer surface of the connecting block 42.
  • the piston rod of the self-locking cylinder 41 passes through the connecting block 42 and is located below the movable plate 31 and with the guide post. 33 outside surface contact connection.
  • the outer surface of the oil seal 25 is connected to the inner side surface of the blind hole 22 without a gap.
  • the inner surface 51 of the collet 5 is a curved surface.
  • the piston rod 7 When the clamping fixture in the embodiment of the present application is applied, the piston rod 7 is hydraulically applied, and the clamp 5 of the first end of the piston rod 7 and the positioning protrusion 18 are used to clamp and fix the material to be processed.
  • the hydraulic pressure can provide more pressure and the pressure is stable and uniform.
  • the pressure of the chuck 5 at the first end of the piston rod 7 has a certain toughness, and the elastic pressing of the material to be processed is realized, thereby avoiding crushing the material to be processed and ensuring the quality of the product. .
  • the oil seal 25 is provided to ensure the tightness of the pressure mechanism so that the hydraulic oil is completely sealed between the hydraulic oil hole 26 and the oil seal 25, thereby ensuring the pressure and stability of the hydraulic oil to the piston rod 7.
  • the collet 5 and the piston rod 7 are fixedly connected by screws, and are replaceable, and the different collets 5 are replaced with different materials to be processed, so that the clamping jig in the embodiment of the present application has versatility.
  • the movable plate 31 the upper end of the material to be processed is clamped by the collet 5 and the positioning protrusion 18, and the lower end of the material to be processed is in contact with the movable plate 31, and can be moved up by the movable plate 31.
  • the clamping fixture provided by the disclosure can realize the elastic pressing of the material to be processed, avoid crushing the material to be processed, the chuck has replaceability, has strong versatility, can realize automatic feeding of the material to be processed, and has low labor cost. , high production efficiency and high processing precision.

Abstract

一种装夹治具，包括左支座(1)、右支座(2)、固定板(3)、定位板(4)、多个夹头(5)和多个压力机构(6)，夹头（5）位于远离固定板（3）中央一侧，固定板（3）两侧表面均设置有与让位通孔（16）贯通的阶梯孔（21），液压油孔（26）分别与盲孔（21）贯通，活动板（31）的上开有至少2个安装通孔（32），至少2根导柱（33）分别穿过活动板（31）的安装通孔（32）且上端与固定板（3）连接，下端分别与左支座（1）的左基板（102）、右支座（2）的右基板（202）连接，活动板（31）侧表面设置有一自锁气缸（41），自锁气缸（41）固定安装于连接块（42）的外侧表面，自锁气缸（41）的活塞杆穿过连接块（42）位于活动板（31）下方并与导柱（33）外侧表面接触连接。该方式夹紧可靠，自动进给稳定，提高生产效率，保证加工精度。

Description

装夹治具 技术领域
本公开涉及高精加工领域，例如涉及一种装夹治具。
背景技术
智能手机作为使用范围较广的娱乐及通信设备，其更新换代速度较快，因此对智能手机制造厂商也提出了更高的要求。智能手机零部件离不开机床设备，机床夹具是保证机床加工质量、提高生产效率、减轻劳动强度等重要的工艺装备之一，然而在加工的过程中如何对工件稳定有效地定位存在许多问题。
传统的计算机数字控制机床(Computer numerical control，CNC)治具多用简易的治具及定位销进行定位操作，靠工人装卸定位，这样会导致工件定位不稳、压合过紧或过松，且具有劳动强度大，操作不便等问题。
发明内容
本公开提供一种装夹治具，可以实现对待加工材料的弹性压紧，避免压伤待加工材料，保证产品的品质。
本公开提供一种装夹治具，包括：左支座、右支座、固定板、定位板、多个夹头和多个压力机构，所述固定板的两端分别与所述左支座和所述右支座固定连接，所述定位板与所述固定板固定连接，所述多个压力机构分别对称安装于所述固定板两侧表面，所述多个夹头分别安装于所述多个压力机构的活塞杆的第一端；
所述固定板上表面两侧对称开有若干均匀排列的让位通孔，所述定位板的定位凸块和所述夹头均位于所述让位通孔内，其中所述定位凸块位于靠近所述固定板中心的一侧，所述夹头位于远离所述中心的一侧，所述固定板两侧表面均设置有与所述让位通孔贯通的阶梯孔，所述压力机构靠近所述固定板的表面均匀设置有与所述阶梯孔对应的盲孔，所述活塞杆的第一端穿过所述阶梯孔并与位于所述让位通孔内的夹头固定连接，所述活塞杆的第二端嵌入所述盲孔内，所述活塞杆包括一凸缘部，一弹性元件套装于所述活塞杆上并位于所述凸缘部与所述阶梯孔的台阶面之间，一油封套装于所述活塞杆上并位于所述凸缘部与 所述盲孔的转接面之间，所述压力机构一侧表面设置有一液压油孔，所述液压油孔与所述盲孔贯通，所述液压油孔设置为通过一液压油管与油泵连接；
所述固定板下方设置有一活动板，所述活动板开有至少两个安装通孔，至少两根导柱分别穿过活动板的安装通孔且所述至少两根导柱的第一端与所述固定板连接，所述至少两根导柱的第二端分别与所述左支座的左基板和所述右支座的右基板连接；
所述活动板一侧表面设置有自锁气缸，所述自锁气缸通过连接块安装于所述活动板一侧表面且位于所述导柱外侧，所述连接块的一部分与所述活动板一侧表面固定连接，所述自锁气缸固定安装于所述连接块的外侧表面，所述自锁气缸的活塞杆穿过所述连接块位于所述活动板下方并与所述导柱外侧表面接触连接。
在一实施例中，所述自锁气缸的数目为两个，分别位于所述活动板同一侧表面的两端。
在一实施例中，所述自锁气缸通过若干螺钉固定安装于所述连接块外侧表面。
在一实施例中，所述油封的外侧表面与所述盲孔内侧表面无缝隙配合连接。
在一实施例中，所述夹头内侧表面为弧面。
在一实施例中，所述弹性元件弹簧包括弹簧。
在一实施例中，所述盲孔包括T型盲孔。
本公开提供的装夹治具，采用液压的方式作用于活塞杆，液压相较于气动和电动，可以提供更大的压力，且压力稳定均匀，通过在活塞杆上设置弹性元件，使得活塞杆的第一端夹头的压力具有一定的韧性，可实现对待加工材料的弹性压紧，避免压伤待加工材料，保证产品的品质，通过设置油封，确保液压压力机构的密封性，使得液压油被完全密封在液压油孔与油封之间，从而确保液压油对活塞杆压力的大小和稳定性，通过将夹头与活塞杆通过螺钉固定连接，夹头具有可更换性，配合不同待加工料更换不同夹头，使得本申请实施例中的装夹治具具有通用性，另外通过设置活动板，使得待加工料上端通过夹头与定位凸块进行夹持，待加工料的下端则与活动板接触，并可以在活动板的驱动下上移，实现待加工料的自动给进，减少人工的使用，提高生产效率，通过设置自锁气缸可以压紧导柱，实现防止活动板下滑的效果，结构简单可操作性强且作用效果好，从而确保了加工过程中待加工料的稳定性，保证加工精度。
附图说明
附图1为一实施例中用于超薄手机震动马达加工的装夹治具结构示意图。
附图2为一实施例中装夹治具局部分解示意图。
附图3为一实施例中用于超薄手机震动马达加工的装夹治具分解示意图。
附图4为一实施例中装夹治具局部结构示意图。
附图5为一实施例中盲孔的结构示意图。
以上附图中：1、左支座；102、左基板；2、右支座；202、右基板；3、固定板；4、定位板；5、夹头；51、夹头的内侧表面；6、压力机构；7、活塞杆；701、凸缘部；16、让位通孔；18、定位凸块；21、阶梯孔；211、台阶面；22、盲孔；221、转接面；23、安装孔；24、弹性元件；25、油封；26、液压油孔；27、液压油管；31、活动板；32、安装通孔；33、导柱；41、自锁气缸；42、连接块；43、螺栓。
具体实施方式
下面结合附图及实施例对本申请实施例进行描述：
实施例1：一种装夹治具(可以用于超薄手机震动马达的加工)，包括左支座1、右支座2、固定板3、定位板4、多个夹头5和多个压力机构6，所述固定板3的两端分别与左支座1、右支座2固定连接，定位板4与固定板3固定连接，上述多个压力机构6分别对称安装于固定板3两侧表面，上述多个夹头5分别安装于上述多个压力机构6的活塞杆7的第一端；
固定板3上表面两侧对称开有若干均匀排列的让位通孔16，定位板4的定位凸块18和夹头5均位于让位通孔16内，其中定位凸块18位于靠近固定板3中央一侧，夹头5位于远离上述中央一侧，固定板3两侧表面均设置有与让位通孔16贯通的阶梯孔21，压力机构6靠近所述固定板(3)的表面均匀设置有与阶梯孔21对应的盲孔22(例如T型盲孔)，活塞杆7的第一端穿过阶梯孔21并与位于让位通孔16内的夹头5固定连接，活塞杆7的第二端嵌入压力机构6的盲孔22内，活塞杆7包括一凸缘部701，一弹性元件24(例如弹簧)套装于 活塞杆7上并位于凸缘部701与阶梯孔21的台阶面211之间，一油封25套装于活塞杆7上并位于凸缘部701与盲孔22的转接面221之间，压力机构6一侧表面设置有一液压油孔26，此液压油孔26分别与盲孔22贯通，液压油孔26设置为通过一液压油管27与油泵连接；
固定板3下方设置有一活动板31，此活动板31开有至少两个安装通孔32，至少两根导柱33分别穿过活动板31的安装通孔32且上述至少两根导柱33的第一端与固定板3连接，上述至少两根导柱33的第二端分别与左支座1的左基板102和右支座2的右基板202连接；
活动板31一侧表面设置有自锁气缸41，自锁气缸41通过连接块42安装于活动板31一侧表面且位于导柱33外侧，连接块42的一部分与活动板31一侧表面固定连接，自锁气缸41固定安装于连接块42的外侧表面，自锁气缸41的活塞杆穿过连接块42位于活动板31下方并与导柱33外侧表面接触连接。
在一实施例中，上述自锁气缸41的数量可以为两个，且分别位于活动板31同一侧表面的两端；上述自锁气缸41可以通过若干螺钉固定安装于连接块42的外侧表面。
实施例2：一种装夹治具(可以用于超薄手机震动马达的加工)，包括左支座1、右支座2、固定板3、定位板4、多个夹头5和多个压力机构6，所述固定板3的两端分别与左支座1、右支座2固定连接，所述定位板4与固定板3固定连接，所述多个压力机构6分别对称安装于固定板3两侧表面，所述多个夹头5分别安装于上述多个压力机构6的活塞杆7的第一端；
所述固定板3上表面两侧对称开有若干均匀排列的让位通孔16，所述定位板4的定位凸块18和夹头5均位于让位通孔16内，其中定位凸块18位于靠近固定板3中央的一侧，夹头5位于远离上述中央的一侧，所述固定板3两侧表面均设置有与让位通孔16贯通的阶梯孔21，所述压力机构6靠近所述固定板(3)的表面均匀设置有与阶梯孔21对应的盲孔22(例如是T型盲孔)，所述活塞杆7的第一端穿过阶梯孔21并与位于让位通孔16内的夹头5固定连接，活塞杆7的第二端嵌入压力机构6的盲孔22内，所述活塞杆7包括一凸缘部701，一弹性元件24(例如弹簧)套装于活塞杆7上并位于凸缘部701与阶梯孔21的台阶 面211之间，一油封25套装于活塞杆7上并位于凸缘部701与盲孔22的转接面221之间，压力机构6一侧表面设置有一液压油孔26，此液压油孔26分别与盲孔22贯通，液压油孔26通过一液压油管27与油泵连接；
固定板3下方设置有一活动板31，此活动板31的上开有至少2个安装通孔32，至少2根导柱33分别穿过活动板31的安装通孔32且上端与固定板3连接，下端分别与左支座1的左基板102、右支座2的右基板202连接；
活动板31一侧表面设置有自锁气缸41，自锁气缸41通过连接块42安装于活动板31一侧表面且位于导柱33外侧(例如通过螺栓43安装于活动板31一侧表面上)，连接块42上部与活动板31一侧表面固定连接，自锁气缸41固定安装于连接块42的外侧表面，自锁气缸41的活塞杆穿过连接块42位于活动板31下方并与导柱33外侧表面接触连接。
在一实施例中，上述油封25的外侧表面与盲孔22的内侧表面无缝隙配合连接。
在一实施例中，上述夹头5内侧表面51为弧面。
采用本申请实施例中的装夹治具时，通过液压的方式作用于活塞杆7，通过活塞杆7第一端的夹头5和定位凸块18，实现对待加工材料的夹紧固定。液压相较于气动和电动，可以提供更大的压力，且压力稳定均匀。通过在活塞杆7上设置弹性元件24，使得活塞杆7的第一端的夹头5的压力具有一定的韧性，实现对待加工材料的弹性压紧，避免压伤待加工材料，保证产品的品质。油封25的设置，可以确保压力机构的密封性，使得液压油被完全密封在液压油孔26与油封25之间，从而确保液压油对活塞杆7压力的大小和稳定性。夹头5与活塞杆7通过螺钉固定连接，具有可更换性，配合不同待加工料更换不同夹头5，使得本申请实施例中的装夹治具具有通用性。此外，通过设置活动板31，使得待加工料上端通过夹头5与定位凸块18进行夹持，待加工料的下端则与活动板31接触，并可以在活动板31的驱动下上移，实现待加工料的自动给进，减少人工的使用，提高生产效率。通过在活动板31下方设置自锁气缸41，通过活塞杆7压紧导柱33，实现防止活动板31下滑的效果，结构简单可操作性强且作用效果好，从而确保了加工过程中待加工料的稳定性，保证加工精度。
工业实用性
本公开提供的装夹治具，可实现对待加工材料的弹性压紧，避免压伤待加工材料，夹头具有可更换性，通用性强，可以实现待加工料的自动给进，人工成本低，生产效率高，加工精度高。

Claims (7)

  1. 一种装夹治具，包括：左支座(1)、右支座(2)、固定板(3)、定位板(4)、多个夹头(5)和多个压力机构(6)，所述固定板(3)的两端分别与所述左支座(1)和所述右支座(2)固定连接，所述定位板(4)与所述固定板(3)固定连接，所述多个压力机构(6)分别对称安装于所述固定板(3)两侧表面，所述多个夹头(5)分别安装于所述多个压力机构(6)的活塞杆(7)的第一端；
    所述固定板(3)上表面两侧对称开有若干均匀排列的让位通孔(16)，所述定位板(4)的定位凸块(18)和所述夹头(5)均位于所述让位通孔(16)内，其中所述定位凸块(18)位于靠近所述固定板(3)中心的一侧，所述夹头(5)位于远离所述中心的一侧，所述固定板(3)两侧表面均设置有与所述让位通孔(16)贯通的阶梯孔(21)，所述压力机构(6)靠近所述固定板(3)的表面均匀设置有与所述阶梯孔(21)对应的盲孔(22)，所述活塞杆(7)的第一端穿过所述阶梯孔(21)并与位于所述让位通孔(16)内的夹头(5)固定连接，所述活塞杆(7)的第二端嵌入所述盲孔(22)内，所述活塞杆(7)包括一凸缘部(701)，一弹性元件(24)套装于所述活塞杆(7)上并位于所述凸缘部(701)与所述阶梯孔(21)的台阶面(211)之间，一油封(25)套装于所述活塞杆(7)上并位于所述凸缘部(701)与所述盲孔(22)的转接面(221)之间，所述压力机构(6)一侧表面设置有一液压油孔(26)，所述液压油孔(26)与所述盲孔(22)贯通，所述液压油孔(26)设置为通过一液压油管(27)与油泵连接；
    所述固定板(3)下方设置有一活动板(31)，所述活动板(31)开有至少两个安装通孔(32)，至少两根导柱(33)分别穿过活动板(31)的安装通孔(32)且所述至少两根导柱(33)的第一端与所述固定板(3)连接，所述至少两根导柱(33)的第二端分别与所述左支座(1)的左基板(102)和所述右支座(2)的右基板(202)连接；
    所述活动板(31)一侧表面设置有自锁气缸(41)，所述自锁气缸(41)通过连接块(42)安装于所述活动板(31)一侧表面且位于所述导柱(33)外侧，所述连接块(42)的一部分与所述活动板(31)一侧表面固定连接，所述自锁气缸(41)固定安装于所述连接块(42)的外侧表面，所述自锁气缸(41)的活塞杆穿过所述连接块(42)位于所述活动板(31)下方并与所述导柱(33)外侧表面接触连接。
  2. 根据权利要求1所述的装夹治具，其中：所述自锁气缸(41)的数目为 两个，分别位于所述活动板(31)同一侧表面的两端。
  3. 根据权利要求1所述的装夹治具，其中：所述自锁气缸(41)通过若干螺钉固定安装于所述连接块(42)外侧表面。
  4. 根据权利要求1所述的装夹治具，其中：所述油封(25)的外侧表面与所述盲孔(22)内侧表面无缝隙配合连接。
  5. 根据权利要求1所述的装夹治具，其中：所述夹头(5)内侧表面(51)为弧面。
  6. 根据权利要求1所述的装夹治具，其中，所述弹性元件弹簧(24)包括弹簧。
  7. 根据权利要求1所述的装夹治具，其中，所述盲孔(22)包括T型盲孔。
PCT/CN2018/077836 2017-08-14 2018-03-02 装夹治具 WO2019033744A1 (zh)

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